<template>
	<view>
		<view class="search-box">
		  <!-- 使用 uni-ui 提供的搜索组件 -->
		  <uni-search-bar @input="input" :radius="100" cancelButton="none"></uni-search-bar>
		</view>
		<view class="sugg-list" v-if="searchResults.length !== 0">
			
			<view class="sugg-item" v-for="(item,i) in searchResults" :key="i">
				<view class="goods_name" @click="gotoDetail(item)">
					{{ item.goods_name }}
					<uni-icons type="arrowright" size="16"></uni-icons>
				</view>
			</view>
		</view>
		<view class="history-box" v-else>
			<view class="history-title">
				<text>历史搜索</text>
				<uni-icons type="trash" size="17" @click="clean()"></uni-icons>
			</view>
			<view class="history-list">
				 <uni-tag :text="item" v-for="(item, i) in historyList" :key="i" @click="gotoGoodsList(item)"></uni-tag>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				timer:null,
				kw:'',
				searchResults:[],
				historyList:[]
			};
		},
		onLoad() {
			this.historyList = JSON.parse(uni.getStorageSync('kw') || '[]')
		},
		methods:{
			input(e){
				clearTimeout(this.timer)
				this.timer = setTimeout(()=>{
					this.kw = e					
					this.getSearchList()
				},500)
			},
		async	getSearchList(){
				if(this.kw === ''){
					this.searchResults = []
					return
				}
		const { data: res } = await	uni.$http.get('/api/public/v1/goods/qsearch', { query: this.kw })
			if(res.meta.status !== 200) return uni.$showMsg()
			this.searchResults = res.message
			console.log(this.searchResults)
			this.saveSearchHistory()
			},
			gotoDetail(item){
				uni.navigateTo({
					url:'/subpkg/goods_detail/goods_detail?goods_id='+ item.goods_id
				})
			},
			saveSearchHistory(){
			const  index =	this.historyList.indexOf(this.kw)
			if( index !== -1){
				this.historyList.splice(index,1)
			}
			this.historyList.unshift(this.kw)
				uni.setStorageSync('kw',JSON.stringify(this.historyList))
			},
			clean(){
				this.historyList = []
				uni.setStorageSync('kw','[]')
			},
			gotoGoodsList(kw){
				uni.navigateTo({
					url:'/subpkg/goods_list/goods_list?query='+kw
				})
			}
		}
	}
</script>

<style lang="scss">
.search-box{
	position: sticky;
	top: 0;
	z-index: 999;
}
.sugg-list{
	padding: 0 5px;
	.sugg-item{
		display: flex;
		align-items: center;
		justify-content: space-between;
		font-size: 12px;
		padding: 13px 0;
		border-bottom:1px solid #efefef ;
	}
	.goods-name{
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;
		margin-right: 3px;
	}
}
.history-box{
	padding: 0 5px;
	.history-title{
		display: flex;
		justify-content: space-between;
		height: 40px;
		align-items: center;
		font-size: 13px;
		border-bottom: 1px solid #efefef;
		
	}
	.history-list{
		display: flex;
		flex-wrap: wrap;
		.uni-tag{
			margin-top: 5px;
			margin-right: 5px;
		}
	}
}
</style>
